예제 #1
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        public static IFluentContinuation <TViewModel, TPropertyValue> BetweenPoperties <TViewModel, TPropertyValue>(
            this IFluentOperator <TViewModel, TPropertyValue> instance,
            Expression <Func <TViewModel, IViewModelProperty> > @from,
            Expression <Func <TViewModel, IViewModelProperty> > to)
            where TViewModel : ViewModelBase
        {
            var implementerInstance = (FluentImplementer <TViewModel, TPropertyValue>)instance;

            implementerInstance.EnsureContextCurrentPropertyIsNotNull();

            implementerInstance.UpdateContext(@from);
            implementerInstance.UpdateContext(to);

            // uses parenthesis to satisfy syntax : IsNot.BetweenValues (...)
            implementerInstance.AddToken(ExpressionNode.OpenParenthesis());
            implementerInstance.AddToken(ExpressionNode.OpenParenthesis());
            implementerInstance.AddToken(ExpressionNode.GreaterThanProperty(implementerInstance.Context.CurrentProperty, @from.Compile()(implementerInstance.ViewModel)));
            implementerInstance.AddToken(ExpressionNode.Or());
            implementerInstance.AddToken(ExpressionNode.EqualToProperty(implementerInstance.Context.CurrentProperty, @from.Compile()(implementerInstance.ViewModel)));
            implementerInstance.AddToken(ExpressionNode.CloseParenthesis());
            implementerInstance.AddToken(ExpressionNode.And());
            implementerInstance.AddToken(ExpressionNode.OpenParenthesis());
            implementerInstance.AddToken(ExpressionNode.LessThanProperty(implementerInstance.Context.CurrentProperty, to.Compile()(implementerInstance.ViewModel)));
            implementerInstance.AddToken(ExpressionNode.Or());
            implementerInstance.AddToken(ExpressionNode.EqualToProperty(implementerInstance.Context.CurrentProperty, to.Compile()(implementerInstance.ViewModel)));
            implementerInstance.AddToken(ExpressionNode.CloseParenthesis());
            implementerInstance.AddToken(ExpressionNode.CloseParenthesis());

            return((IFluentContinuation <TViewModel, TPropertyValue>)instance);
        }
예제 #2
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        public static IFluentContinuation <TViewModel, TPropertyValue> BetweenValues <TViewModel, TPropertyValue>(
            this IFluentOperator <TViewModel, TPropertyValue> instance,
            object @from,
            object to)
            where TViewModel : ViewModelBase
        {
            var implementerInstance = (FluentImplementer <TViewModel, TPropertyValue>)instance;

            implementerInstance.EnsureContextCurrentPropertyIsNotNull();

            // uses parenthesis to satisfy syntax : IsNot.BetweenValues (...)
            implementerInstance.AddToken(ExpressionNode.OpenParenthesis());
            implementerInstance.AddToken(ExpressionNode.OpenParenthesis());
            implementerInstance.AddToken(ExpressionNode.GreaterThanValue(implementerInstance.Context.CurrentProperty, @from));
            implementerInstance.AddToken(ExpressionNode.Or());
            implementerInstance.AddToken(ExpressionNode.EqualToValue(implementerInstance.Context.CurrentProperty, @from));
            implementerInstance.AddToken(ExpressionNode.CloseParenthesis());
            implementerInstance.AddToken(ExpressionNode.And());
            implementerInstance.AddToken(ExpressionNode.OpenParenthesis());
            implementerInstance.AddToken(ExpressionNode.LessThanValue(implementerInstance.Context.CurrentProperty, to));
            implementerInstance.AddToken(ExpressionNode.Or());
            implementerInstance.AddToken(ExpressionNode.EqualToValue(implementerInstance.Context.CurrentProperty, to));
            implementerInstance.AddToken(ExpressionNode.CloseParenthesis());
            implementerInstance.AddToken(ExpressionNode.CloseParenthesis());

            return((IFluentContinuation <TViewModel, TPropertyValue>)instance);
        }
예제 #3
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        public static IFluentContinuation <TViewModel, TPropertyValue> MinLength <TViewModel, TPropertyValue>(
            this IFluentOperator <TViewModel, TPropertyValue> instance, int minLength)
            where TViewModel : ViewModelBase
            where TPropertyValue : IComparable <string>, IEquatable <string>
        {
            var implementerInstance = (FluentImplementer <TViewModel, TPropertyValue>)instance;

            implementerInstance.EnsureContextCurrentPropertyIsNotNull();

            if (minLength <= 0)
            {
                throw new InvalidOperationException("minLength must be greater than 0");
            }

            var evaluatedValueProvider = new Func <object>(() =>
            {
                var value = (string)implementerInstance.Context.CurrentProperty.GetValue();
                return(value == null ? 0 : value.Length);
            });
            var valueProvider = new Func <object>(() => minLength);

            implementerInstance.AddToken(ExpressionNode.OpenParenthesis());
            implementerInstance.AddToken(ExpressionNode.GreaterThanGeneric(evaluatedValueProvider, valueProvider));
            implementerInstance.AddToken(ExpressionNode.Or());
            implementerInstance.AddToken(ExpressionNode.EqualToGeneric(evaluatedValueProvider, valueProvider));
            implementerInstance.AddToken(ExpressionNode.CloseParenthesis());
            return((IFluentContinuation <TViewModel, TPropertyValue>)instance);
        }
예제 #4
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        public static IFluentContinuation <TViewModel, TPropertyValue> GreaterThanOrEqualTo <TViewModel, TPropertyValue>(
            this IFluentOperator <TViewModel, TPropertyValue> instance, LateValue <TPropertyValue> lateValue)
            where TViewModel : ViewModelBase
            where TPropertyValue : IComparable
        {
            var implementerInstance = (FluentImplementer <TViewModel, TPropertyValue>)instance;

            implementerInstance.EnsureContextCurrentPropertyIsNotNull();

            implementerInstance.AddToken(ExpressionNode.OpenParenthesis());
            implementerInstance.AddToken(ExpressionNode.GreaterThanLateValue(implementerInstance.Context.CurrentProperty, () => lateValue()));
            implementerInstance.AddToken(ExpressionNode.Or());
            implementerInstance.AddToken(ExpressionNode.EqualToLateValue(implementerInstance.Context.CurrentProperty, () => lateValue()));
            implementerInstance.AddToken(ExpressionNode.CloseParenthesis());
            return((IFluentContinuation <TViewModel, TPropertyValue>)instance);
        }
예제 #5
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        public static IFluentContinuation <TViewModel, TPropertyValue> NullOrEmpty <TViewModel, TPropertyValue>(
            this IFluentOperator <TViewModel, TPropertyValue> instance)
            where TViewModel : ViewModelBase
            where TPropertyValue : IComparable <string>, IEquatable <string>
        {
            var implementerInstance = (FluentImplementer <TViewModel, TPropertyValue>)instance;

            implementerInstance.EnsureContextCurrentPropertyIsNotNull();

            implementerInstance.AddToken(ExpressionNode.OpenParenthesis());
            implementerInstance.AddToken(ExpressionNode.EqualToValue(implementerInstance.Context.CurrentProperty, null));
            implementerInstance.AddToken(ExpressionNode.Or());
            implementerInstance.AddToken(ExpressionNode.EqualToValue(implementerInstance.Context.CurrentProperty, string.Empty));
            implementerInstance.AddToken(ExpressionNode.CloseParenthesis());
            return((IFluentContinuation <TViewModel, TPropertyValue>)instance);
        }
예제 #6
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        public static IFluentContinuation <TViewModel, TPropertyValue> GreaterThanOrEqualTo <TViewModel, TPropertyValue>(
            this IFluentOperator <TViewModel, TPropertyValue> instance, Expression <Func <TViewModel, IViewModelProperty> > propertyExpression)
            where TViewModel : ViewModelBase
            where TPropertyValue : IComparable
        {
            var implementerInstance = (FluentImplementer <TViewModel, TPropertyValue>)instance;

            implementerInstance.EnsureContextCurrentPropertyIsNotNull();

            implementerInstance.UpdateContext(propertyExpression);

            implementerInstance.AddToken(ExpressionNode.OpenParenthesis());
            implementerInstance.AddToken(ExpressionNode.GreaterThanProperty(implementerInstance.Context.CurrentProperty, propertyExpression.Compile()(implementerInstance.ViewModel)));
            implementerInstance.AddToken(ExpressionNode.Or());
            implementerInstance.AddToken(ExpressionNode.EqualToProperty(implementerInstance.Context.CurrentProperty, propertyExpression.Compile()(implementerInstance.ViewModel)));
            implementerInstance.AddToken(ExpressionNode.CloseParenthesis());
            return((IFluentContinuation <TViewModel, TPropertyValue>)instance);
        }
예제 #7
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        public static IFluentContinuation <TViewModel, TPropertyValue> Required <TViewModel, TPropertyValue>(
            this IFluentOperator <TViewModel, TPropertyValue> instance)
            where TViewModel : ViewModelBase
        {
            var implementerInstance = (FluentImplementer <TViewModel, TPropertyValue>)instance;

            implementerInstance.EnsureContextCurrentPropertyIsNotNull();

            // required = is neither null nor empty
            implementerInstance.AddToken(ExpressionNode.Not());
            implementerInstance.AddToken(ExpressionNode.OpenParenthesis());
            implementerInstance.AddToken(ExpressionNode.EqualToValue(implementerInstance.Context.CurrentProperty, null));
            implementerInstance.AddToken(ExpressionNode.Or());
            implementerInstance.AddToken(ExpressionNode.EqualToValue(implementerInstance.Context.CurrentProperty, string.Empty));
            implementerInstance.AddToken(ExpressionNode.CloseParenthesis());

            return((IFluentContinuation <TViewModel, TPropertyValue>)instance);
        }